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Ubuntu Security Notice USN-1625-1
November 07, 2012

icedtea-web vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 12.10
• Ubuntu 12.04 LTS
• Ubuntu 11.10
• Ubuntu 10.04 LTS

Summary:

The Icedtea-Web plugin could be made to crash or run programs as your login
if it opened a specially crafted web page.

Software Description:

• icedtea-web: A web browser plugin to execute Java applets

Details:

Arthur Gerkis discovered a buffer overflow in the Icedtea-Web plugin. If a
user were tricked into opening a malicious website, an attacker could
cause the plugin to crash or possibly execute arbitrary code as the user
invoking the program.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 12.10:
icedtea-6-plugin 1.3-1ubuntu1.1
icedtea-7-plugin 1.3-1ubuntu1.1

Ubuntu 12.04 LTS:
icedtea-6-plugin 1.2-2ubuntu1.3
icedtea-7-plugin 1.2-2ubuntu1.3

Ubuntu 11.10:
icedtea-6-plugin 1.2-2ubuntu0.11.10.4

Ubuntu 10.04 LTS:
icedtea-6-plugin 1.2-2ubuntu0.10.04.3

After a standard system update you need to restart your browser to make
all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1625-1
CVE-2012-4540

Package Information:
https://launchpad.net/ubuntu/+source/icedtea-web/1.3-1ubuntu1.1
https://launchpad.net/ubuntu/+source/icedtea-web/1.2-2ubuntu1.3
https://launchpad.net/ubuntu/+source/icedtea-web/1.2-2ubuntu0.11.10.4
https://launchpad.net/ubuntu/+source/icedtea-web/1.2-2ubuntu0.10.04.3